Retirement benefits (Tables) - HECO

6 Months Ended

Jun. 30, 2013

Retirement benefits

Schedule of components of net periodic benefit cost for consolidated HECO

	Three months ended June 30												Six months ended June 30
	Pension benefits						Other benefits						Pension benefits						Other benefits
(in thousands)	2013			2012			2013			2012			2013			2012			2013			2012
Service cost	$	14,121		$	11,397		$	1,103		$	1,008		$	28,210		$	21,588		$	2,152		$	2,104
Interest cost	16,307			16,973			1,855			2,223			32,413			33,744			3,786			4,504
Expected return on plan assets	(18,182		)	(17,736		)	(2,521		)	(2,557		)	(36,267		)	(35,592		)	(5,083		)	(5,178		)
Amortization of prior service gain	(25		)	(82		)	(449		)	(449		)	(49		)	(163		)	(897		)	(897		)
Amortization of net actuarial loss	9,499			6,403			284			299			19,318			12,826			805			752
Net periodic benefit cost	21,720			16,955			272			524			43,625			32,403			763			1,285
Impact of PUC D&Os	(5,286		)	(4,977		)	(187		)	(416		)	(12,722		)	(8,834		)	(584		)	(1,096		)
Net periodic benefit cost (adjusted for impact of PUC D&Os)	$	16,434		$	11,978		$	85		$	108		$	30,903		$	23,569		$	179		$	189

Schedule of reclassifications out of accumulated other comprehensive income/(loss)

	Amount reclassified from AOCI
	Three months ended June 30						Six months ended June 30
(in thousands)	2013			2012			2013			2012			Affected line item in the Statement of Income
Net realized gains on securities	$	(738	)	$	(81	)	$	(738	)	$	(81	)	Revenues-bank (net gains on sales of securities)
Derivatives qualified as cash flow hedges
Interest rate contracts (settled in 2011)	59			59			118			118			Interest expense
Retirement benefit plan items
Amortization of transition obligation, prior service credit and net losses recognized during the period in net periodic benefit cost	5,680			3,768			11,701			7,641			See Note 5 for additional details
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets	(4,999		)	(3,289		)	(10,312		)	(6,684		)	See Note 5 for additional details
Total reclassifications	$	2		$	457		$	769		$	994

Hawaiian Electric Company, Inc. and Subsidiaries

Retirement benefits

Schedule of components of net periodic benefit cost for consolidated HECO

	Three months ended June 30												Six months ended June 30
	Pension benefits						Other benefits						Pension benefits						Other benefits
(in thousands)	2013			2012			2013			2012			2013			2012			2013			2012
Service cost	$	13,638		$	11,000		$	1,067		$	959		$	27,241		$	20,802		$	2,081		$	2,007
Interest cost	14,883			15,465			1,783			2,147			29,559			30,726			3,644			4,352
Expected return on plan assets	(16,185		)	(15,942		)	(2,480		)	(2,519		)	(32,275		)	(32,002		)	(5,000		)	(5,098		)
Amortization of net transition obligation	—			—			—			(2		)	—			—			—			(4		)
Amortization of net prior service gain	(116		)	(172		)	(451		)	(451		)	(232		)	(344		)	(902		)	(902		)
Amortization of net actuarial loss	8,509			5,845			268			288			17,299			11,714			772			728
Net periodic benefit cost	20,729			16,196			187			422			41,592			30,896			595			1,083
Impact of PUC D&Os	(5,286		)	(4,977		)	(187		)	(416		)	(12,722		)	(8,834		)	(584		)	(1,096		)
Net periodic benefit cost (adjusted for impact of PUC D&Os)	$	15,443		$	11,219		$	—		$	6		$	28,870		$	22,062		$	11		$	(13	)

Schedule of reclassifications out of accumulated other comprehensive income/(loss)

	Amount reclassified from AOCI
	Three months ended June 30						Six months ended June 30
(in thousands)	2013			2012			2013			2012
Retirement benefit plan items
Amortization of transition obligation, prior service credit and net losses recognized during the period in net periodic benefit cost	$	5,016		$	3,364		$	10,347		$	6,836		See above
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets	(4,999		)	(3,289		)	(10,312		)	(6,684		)	See above
Total reclassifications	$	17		$	75		$	35		$	152